EP1912047B1 - Balance électronique - Google Patents

Balance électronique Download PDF

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Publication number
EP1912047B1
EP1912047B1 EP06122083A EP06122083A EP1912047B1 EP 1912047 B1 EP1912047 B1 EP 1912047B1 EP 06122083 A EP06122083 A EP 06122083A EP 06122083 A EP06122083 A EP 06122083A EP 1912047 B1 EP1912047 B1 EP 1912047B1
Authority
EP
European Patent Office
Prior art keywords
transfer device
weighing
load carrier
load
electronic balance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP06122083A
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German (de)
English (en)
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EP1912047B2 (fr
EP1912047A1 (fr
Inventor
Bruno Nufer
Siegfried Zeiss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mettler Toledo Schweiz GmbH
Original Assignee
Mettler Toledo AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37726836&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1912047(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mettler Toledo AG filed Critical Mettler Toledo AG
Priority to DE502006009215T priority Critical patent/DE502006009215D1/de
Priority to EP06122083.6A priority patent/EP1912047B2/fr
Priority to AT06122083T priority patent/ATE503984T1/de
Priority to US11/907,051 priority patent/US7560651B2/en
Priority to CN2007101801401A priority patent/CN101162168B/zh
Priority to JP2007265060A priority patent/JP5308003B2/ja
Publication of EP1912047A1 publication Critical patent/EP1912047A1/fr
Publication of EP1912047B1 publication Critical patent/EP1912047B1/fr
Publication of EP1912047B2 publication Critical patent/EP1912047B2/fr
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G21/00—Details of weighing apparatus
    • G01G21/28—Frames, Housings
    • G01G21/286—Frames, Housings with windshields

Definitions

  • the invention relates to an electronic balance with a windshield and in particular to an automated loading of the load carrier of the balance.
  • a windscreen is particularly important in balances, which are designed for the weighing of very small loads, for example, in the micro or even Submikrogramm Scheme, an important element, since in these load ranges smallest changes, for example in the air movement, buoyancy, temperature fluctuations and / or shocks, a significant impact on the weighing result.
  • the actual weighing is carried out with a certain time delay, so that especially the trapped air in the weighing room can calm down again and all other external parameters are as constant as possible. This improves the measuring accuracy, but at the same time considerably extends the measuring time, which can lead to disproportionately long measuring times, especially in the case of multiple measurements or during control measurements of similar loads or weighing samples.
  • Known electronic scales for example, laboratory balances, analytical balances or microbalances, are equipped with different types of windshields, depending on the field of application, both substantially rectangular and round variants being known, which as a rule have at least one, usually closable, charging opening.
  • High-precision scales can be used, inter alia, for the checkweighing of small tube-shaped or rod-shaped weighing samples, such as stents for vascular surgery.
  • small tube-shaped or rod-shaped weighing samples such as stents for vascular surgery.
  • Other applications may include, for example, control measurements of certain goods or the tracking of weight fluctuations of one or more weighing samples over a certain period of time, for example in quality assurance.
  • an electronic balance In particular, a microbalance, be provided with a windshield, which encloses a matched to the dimensions of the weighing material to be weighed weighing chamber and having at least one closure element for opening and / or closing at least one feed opening.
  • the drive further comprises an actuator and causes, together with the actuator and a transmission element, which is preferably arranged on the transfer device, a lifting movement of the transfer device relative to the load carrier.
  • the actuator is designed for positioning the transfer device and / or the load carrier in a plurality of defined positions.
  • the dimension of the weighing chamber and thus of the draft shield is adapted to the weighing sample to be determined such that the total volume of the weighing chamber is only slightly larger than that of the weighing sample.
  • the shape of the weighing chamber can be substantially polygonal, preferably rectangular, or even substantially round or oval, depending on the weighing sample. This automatically reduces the volume of air in the weighing chamber, reducing the time it takes to set constant external parameters, including air pressure, air movement and humidity.
  • An adaptation of the weighing chamber to the dimensions of a weighing sample to be determined is particularly advantageous for the improvement of the reproducibility and the shortening of the measuring times for multiple weighing or when weighing a large number of similar weighing samples.
  • the balance on a transfer device which is movable relative to the load carrier and can exchange a sample with this, but in there is no direct force contact with the load carrier.
  • the relative movement of the transfer device to the load carrier and the controlled opening and / or closing of the feed opening is triggered by the drive, wherein the movement of the transfer device and the opening and / or closing of the closure element are coupled together.
  • the loading opening can be provided with a suitable closure element, which can be opened and / or closed.
  • the closure element may for example be mounted pivotably or slidably about an axis or a pivot point. Just a slidable or pivotable about a pivot bearing is advantageous because as wind gusts, as they occur for example when closing a flap and which can affect the sample, are largely avoided.
  • the movement of the closure element is coupled to the movement of the transfer device in relation to the load carrier, so that the weighing chamber is opened only during the introduction of the weighing sample.
  • the transfer device can be positioned in relation to the load carrier in various, defined positions, in particular in three positions.
  • Possible embodiments of the actuator include both different cams, eccentric and a linearly movable slide.
  • the transmission element serves to convert the movement of the actuator into a lifting movement of the transfer device in relation to the load carrier.
  • the transmission element is connected to the transfer device or arranged thereon.
  • the weighing chamber in particular the loading opening, should be closed, wherein at least part of the transfer device as well as part of the load carrier are arranged in the weighing chamber during a measurement in addition to the weighing object to be determined.
  • the load carrier has a first receptacle and the transfer device has a second receptacle.
  • the recordings are designed such that upon movement of the load carrier in relation to the transfer device, a non-contact interlocking or gripping through one another of the two recordings for transfer of a load to be weighed is made possible.
  • the receptacles on fork-like or prong-like projections which are arranged so that the first and second receptacle can be moved past each other or through each other. As soon as a weighing sample is placed on one of the receptacles, it can be moved past one another or transferred through the receptacles from one receptacle to the other.
  • Further embodiments of the recordings may include, among other plate-like structures with needle-like or pin-like support elements and / or be based on already known recording variants.
  • An automated placing and / or lifting a weighing sample from the load carrier and adapted to a specific weighing sample weighing chamber is particularly for the Weighing goods in the micro- or Submikrogramm Scheme advantage so that it offers itself to design a so-called microbalance in such a way.
  • Known microbalances for example the UMX2 from Mettler-Toledo, are partially equipped with an exchangeable windscreen, so that it is advantageous to provide a windshield according to the invention, which can easily be combined with a known balance and even replace a standard windshield as far as possible for the user a high flexibility in the use of the balance is possible.
  • the preferably automated loading of a load carrier of an electronic balance with a windshield which encloses a weighing chamber adapted to a weighing material and at least one closable with a closure element feed opening, with a drive which actuates the closure element and further comprises an actuator, and with a transfer device, which cooperates with both the load carrier and a transmission element with the actuator, may comprise several steps.
  • the loading opening is opened by actuation of the closure element and simultaneously set a first position between the load carrier and the transfer device by a relative movement of the same to each other.
  • the weighing material to be determined can be arranged in the first position on the transfer device, more precisely on the associated recording.
  • the loading opening is closed and at the same time a second position, the zero position, set between the load carrier and the transfer device by a relative movement of the same to each other.
  • a zero balance of the balance is carried out or a zero value is read into the balance.
  • a check of the functioning of the balance and the weighing parameters can be carried out. This check may include, for example, calibrating the balance with an internal calibration weight, taring, adjusting, checking air pressure or other parameters in the weighing room, and / or setting various parameters by the user.
  • the weighing sample can be transferred to the load carrier by a further movement of the load carrier relative to the transfer device from the transfer device, wherein the recordings contact each other without contact, and then the weighing sample is weighed.
  • Load carrier and transfer device are in a third position, the weighing position.
  • the weighing material is transferred by a reverse sequence of movements of the load carrier in relation to the transfer device back to the transfer device.
  • the opening and closing of the loading opening by the closure element is effected directly and / or indirectly by the drive which, in cooperation with the actuator and the transmission element, also effects the setting of the at least first, second and third positions between the load carrier and the transfer device.
  • the drive which, in cooperation with the actuator and the transmission element, also effects the setting of the at least first, second and third positions between the load carrier and the transfer device.
  • FIG. 1 shows a partial view of an electronic balance 1 in section.
  • the balance 1 has a housing 2, in which inter alia, the weighing mechanism is arranged, which is connected to a load carrier 3.
  • the load carrier 3 has at its free end a first receptacle 4 for the weighing material 5.
  • the housing 2 of the balance 1 has a protruding bottom element 31, on which an actuator 12 in the form of a cylinder with a circular cross-section and a base plate with a centrally arranged passage for the load carrier 3 and designed as a cam end edge 17 is arranged.
  • the actuator 12 constitutes a part of a drive, which further comprises a gear arranged in the bottom element 31 and a motor arranged in the housing 2.
  • the actuator is rotatably mounted on the bottom member 31.
  • the actuator 12 is sheathed with a wall member 28 which is fixed between the bottom member 31 and a windshield 16.
  • This support structure has a bottom plate 23 with a passage for the load carrier 3.
  • two spaced guide rods 19 are attached, the free ends usually protrude beyond the edge 17 of the actuator 12.
  • the guide rods 19 serve as a vertical guide for a transfer device 6.
  • a further wall element 11 is arranged, which serves as an additional support for the windbreak 16.
  • the wall element 11 has a substantially cylindrical shape with a housing 2 facing recess in which the guide rods 19 are arranged and on which the actuator 12 is moved past.
  • the transfer device 6 consists of a guide block 20 arranged between the guide rods 19, a horizontal support 9 connected to the guide block 20 and a vertical support 8 connected to the horizontal support 9.
  • the free end of the vertical support 8 carries a second receptacle 7 for the material to be weighed 5th
  • lubricant 21 in the form of a respective roller and a pin are mounted, between which the guide rods 19 extend.
  • the lubricants 21 allow a largely smooth vertical displacement of the transfer device along the guide rods 19th
  • a transfer means 18 is attached to the guide block 20.
  • the transmission means 18 in this embodiment is a roller which runs along the edge 17 of the actuator 12 as it moves past the transfer means 6.
  • the windbreak 16 which encloses a weighing room 15.
  • the bottom of the weighing chamber 15 has at least one passage for the load carrier 3 and the vertical support 8 of the transfer device 6.
  • the weighing chamber 15 further has a charging opening 14, which can be closed by a movable closure element 13 in the form of a flap.
  • the closure element 13 is pivotable or foldable about an axis facing the housing 2.
  • FIG. 1 is a first position, the loading position, between load carrier 3 and transfer device 6 shown in which their receptacles 4, 7 have a maximum vertical distance from each other and the actuator 12 is aligned so that the transmission element 18 on the edge 17 in a part of the Actuator 12 is located with the largest vertical extent.
  • the weighing material 5 can be placed with open weighing chamber 15 on the receptacle 7 of the transfer device 6 and / or removed without an additional force is exerted on the load carrier 3.
  • the Closure element 13 is opened by a mounted on the horizontal support 9 rod 10 and kept open. The drive causes both a lifting movement of the transfer device 6 as well as a lifting movement of the rod 10, so that it is pressed against the closing element 13 against the load direction during a movement against the load direction and opens the closure element 13, more precisely the charging opening. If the force exerted against the direction of the load leaves the closure element 13, the feed opening is closed again.
  • FIG. 2 shows in the form of a partial view of the FIG. 1 a second position, the zero position, between the receptacles 4, 7 of the load carrier 3 and the transfer device 6.
  • the weighing chamber 15 is closed by the closure element 13.
  • a change from the first to the second position is effected by a rotary movement of the actuator 12 to the transfer device 6 over.
  • the actuator 12 is rotated past the transfer device 6 and the guide rods 19, it follows, the transmission element 18 the curve of the edge 17 and the transfer device 6 is lowered in the load direction and approaches the load carrier 3.
  • the actuator is designed so that a liquid and substantially jerk-free movement of the transfer element 18 and thus a liquid and substantially jerk-free lifting movement of the transfer device 6 is triggered.
  • the weighing chamber 15 is closed by the closure element 13 in a change from the first to the second position, since the lifting movement of the transfer device 6 simultaneously causes a stroke movement of the rod 10. If the transfer device 6 and thus the rod 10 is lowered in the load direction, the contact between the closure element 13 and the rod 10 is released and the weighing chamber 15 is closed by the closure element 13.
  • the in the FIG. 2 shown second position shows the lowered in the load direction transfer device 6.
  • the weighing chamber 15 both the receptacles 4, 7 and the sample 5 are arranged.
  • the weighing material 5 rests completely on the receptacle 7 of the transfer device 6. In this position, a zero balance is performed and in addition a check of the functioning of the balance and / or various weighing parameters can be performed.
  • FIG. 3 is shown as the third position, the weighing position.
  • the weighing chamber 15 is still closed.
  • the actuator 12 has been moved further, so that the transmission element 18 and thus the transfer device 6 have now been lowered at most in relation to the load carrier.
  • the receptacle 7 of the transfer device 6 has moved without contact down through the receptacle 4 of the load carrier 3 and so passed the sample 5 to the receptacle 4 of the load carrier 3, so that the weight of the sample 5 can be determined.
  • the three in the FIGS. 1 to 3 shown positions are characterized by the distance of the receptacle 4 to the receptacle 7 and the fact that the weighing chamber 15 is opened or closed. Both the opening and / or closing of the weighing chamber, as well as the distance of the receptacles 4, 7 to each other is due to the rotational movement of the actuator 12.
  • the actuator 12 has substantially the shape of an obliquely cut cylinder with curved transitions, on the edge 17 of the transmission element 18 is guided and the rotation caused by the drive of the actuator 12 in a linear lifting movement of the transfer device 6 and the Strange 10 converts.
  • the weighing chamber 15, like the receivers 4, 7, is adapted to the dimension of the weighing sample 5, so that the adaptation of the balance and in particular of the weighing chamber 15 to the environment can take place as quickly as possible.
  • FIGS. 1 to 3 The different in the FIGS. 1 to 3 The positions already described, in which the receptacle 4 connected to the load receiver and the receptacle 7 connected to the transfer device can be positioned by relative movement of the transfer device to the load carrier, are highly schematized in FIG FIG. 4 shown.
  • FIG. 4A shows the first position in which the two receptacles 4, 7 have a maximum distance from each other and the closure element 13 is opened, so that a weighing material 5 can be placed on the receptacle 7.
  • FIG. 4B shows the second position, in which the vertical distance between the receptacles 4, 7 by a relative movement of the load carrier to the transfer device has been reduced and at the same time the weighing chamber 15 has been closed by the closure element 13. In this position, among other things, the zero balance of the balance in the unloaded state can be performed.
  • FIG. 4C shows as a third position, the weighing position in which the two receptacles 4, 7 have moved through each other and by this movement, the weighing material 5 has been transferred from the receptacle 7 to the receptacle 4.
  • a change between the second and third position takes place when the weighing chamber 15 is closed.
  • FIGS. 1 to 3 Scale shown has a windbreak 16, which is designed for small weighing goods.
  • FIG. 5 Another windbreak with an enlarged weighing chamber 115 is shown.
  • the windshield shown here has a holding structure 37, into which a weighing chamber element 36 is inserted, which defines the weighing chamber 115 and can be closed with a closing element 113.
  • the scale has receptacles 104, 107 adapted to the size of the weighing product.
  • FIG. 5 shown to use two-part windscreen with interchangeable weighing chamber element 36 and a support structure 37.
  • the weighing chamber element 36 is substantially box-shaped and can be closed by a movable closing element 113.
  • the recordings 104, 107 can be adapted to the size of the item 105 to be weighed.
  • This embodiment is particularly suitable for weighing goods of different lengths, since the weighing chamber element 36 and the receptacles 104, 107 can easily be exchanged for elements adapted in length as a function of the weighing object to be determined.
  • the entire windscreen, in particular the support structure 37, the weighing chamber element 36 as well as the closure element 113 may optionally be exchanged.
  • the weighing chamber may be substantially triangular, quadrangular, polygonal, round, and / or oval, and different receptacles may be used, with a variety of different supports already being known.
  • FIG. 6 shows an exploded view of a partial view of a further embodiment variant with an alternative transmission element 30 and an alternative actuator 212.
  • the embodiment shown can be with the in the FIGS. 1 to 5 combined variants are combined.
  • the support structure 38, the housing 2 and the bottom element 31 essentially correspond to those in FIG FIG. 1 shown embodiment.
  • both bottom plates 32, 23 have centrally arranged bushings.
  • the support structure 38 is fastened with a guide sleeve 35 for the load carrier 3 such that the actuator is movable independently of the support structure and the bottom element 31.
  • the bottom plate 32 of the actuator 212 is rotatably mounted and cooperates with the drive.
  • a drive for example, is suitable in the housing of the scale arranged motor, which is coupled via one or more adjusting wheels or gears to the actuator 212.
  • the adjusting wheels are, for example, in the bottom element 31 and are connected to the drive motor, which is located in the housing 2.
  • This drive especially its drive mechanism is substantially similar to the known drives, which are used for microbalances with a round windshield.
  • a vertically displaceable guide block 220 is arranged, which is a part of the transfer device 206th represents.
  • the guide block 220 has, on its sides facing the two rods 19, sliding means 21 in the form of cooperating rollers and pins which guide the vertical movement of the guide block 220 and the transfer unit 206.
  • an outwardly facing transmission element 30, which can interact with a groove 29 on the actuator 212, and an inwardly facing horizontal support 209 disposed on which a vertical support 208 for the receptacle 207 and a rod 210 for activating the Closing element 213 are attached.
  • the actuator 212 is fixed, which is a substantially rotationally symmetrical cylinder portion with a wavy designed free edge.
  • the three different sections A, B, C of the actuator 212 are clearly visible, which differ mainly by their vertical extent in the load direction.
  • the actuator 212 has a parallel to the free edge groove 29, in which the pin-shaped transmission element 30 can engage, so that the transfer device 206 undergoes a linear lifting movement when the actuator 212 moves past her. If the guide element 30 is located in the section A, the receptacle 207 of the transfer device 206 and the receptacle 204 of the load carrier 3 are in the first position and have the greatest possible distance from one another. In this position, the loading opening is opened and it can be arranged on the transfer arrangement a good to be weighed.
  • the actuator 212 When the actuator 212 is rotated, the guide member 30 moves from section A to section B, and a lifting movement of the transfer device 206 directed downward with respect to the drawing is initiated.
  • the receptacle 207 of the transfer device 206 approaches the receptacle 204 of the load carrier 3, but remains above it.
  • the feed opening is closed by the closure element (see also FIG. 4b ).
  • a further movement of the actuator 212 continues the downward stroke movement, so that the two receptacles 204, 207 interlock or can be moved through each other until the third position is reached, in which the receptacle 207 is arranged below the receptacle 204.
  • a weighing material located on the transfer device can be transferred to the receptacle of the load carrier (see also FIG 4c).
  • the positions can be changed and the actuator from the third via the second position back into the first are performed.
  • the receptacle 207 and the receptacle 204 have a plurality of hooks arranged at a distance from each other, on which the weighing material can be placed.
  • the receptacles 204, 207 are configured such that the hooks of both receptacles 204, 207 are arranged "in a gap", so that they engage in a vertical movement of the transfer device 206 in relation to the load carrier 3 and the goods to be weighed from one receptacle to the other can be transferred.
  • FIG. 7 again shows the transfer device 206 FIG. 6 , As well as their arrangement in relation to a square support structure 39 here, together with an alternative actuator 33 in the form of a slide with a guide groove 34 in which the transmission element 30 of the transfer device 206 can be performed.
  • a lifting movement of the transfer device 206 is initiated by a horizontal displacement of the slider 33.
  • This arrangement is particularly suitable for the conversion of scales with a square weighing chamber.
  • eccentric or arranged parallel to the load direction cam can be used.
  • FIG. 8 shows in a partial view of an electronic balance in section, which is essentially in the FIGS. 1 to 3
  • the closure element 313 is slidably mounted and can be pushed over the feed opening 14 of the weighing chamber 15.
  • the sliding movement of the closure element 313 is also caused by the drive, which also has the actuator, by the movement of the drive is converted by suitable means in a pulling or pushing movement.
  • FIG. 9 1 shows a weighing chamber 415 surrounded by a substantially round weighing chamber element 436.
  • the weighing chamber 415 can be closed and / or opened by means of a closure element 413 which is fastened to the windscreen (not shown here) rotatably about a fastening means 39.
  • the opening and / or closing of the closure element 413 is coupled to the movement of the actuator and the associated drive, this can for example be done via a rotatable drive rod which is attached to the pivot point of the closure member 413 and connected via a suitable actuator to the drive.
  • the adjusting element may for example be a gear which engages in a suitable guide on the actuator.
  • the receptacle 407 of the transfer device and the receptacle 404 of the load carrier 403 are arranged.
  • the receptacle 407 has at least three raised support elements 41, and at least three passages 42 through which the support members 40 of the receptacle 404 can be performed when the receptacles 404, 407 are moved relative to each other.
  • the recordings 404, 407 are in FIG. 10 shown schematically in three dimensions.
  • the receptacle 404 is fixed and the receptacle 407 is connected via a vertical support 408 with a transfer device.
  • the receptacle 404 has a propeller-shaped base plate 43, are attached to the at least three support elements 40.
  • the receptacle 407 can be configured analogously to the receptacle 404 and can be arranged to offset or, as shown here, be configured as a plate 44 with passages 42 for the support elements 40 and optionally at least three further support elements 41. It is of course also possible that both receptacles 404, 407 are designed plate-shaped.
  • the support elements 41 are shorter than the support elements 40, so that when passing through each other of the two supports 404, 407 a laying or lifting of a sample from the connected to the load receiver 403 recording 404th is possible.
  • the weighing material is supported by the support elements 40, 41 substantially punctiform.
  • an electronic balance can alternatively be provided with a conventional windscreen or with a windscreen according to the invention.
  • Such an exchange is particularly useful when the conventional windshield as well as the inventive windshield have the same dimensions and can be operated with a similar drive.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
  • Disintegrating Or Milling (AREA)
  • Surgical Instruments (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Reciprocating Conveyors (AREA)

Claims (12)

  1. Balance électronique comprenant un support de charge (3, 203), qui comprenant un premier logement (4, 104, 204) pour un article à peser (5, 105), un dispositif de transfert (6, 206) coopérant avec le support de charge (3, 203), qui comprenant un second logement (7, 107, 207) pour l'article à peser (5, 105) avec un paravent (16), lequel entoure un espace de pesée (15, 115) adapté à la dimension de l'article à peser (5, 105) et comprenant au moins un élément de fermeture (13, 213) pour l'ouverture et fermeture d'au moins une ouverture d'alimentation (14), et un entraînement pour l'actionnement de l'élément de fermeture (13, 213), qui comprenant un organe de réglage (12, 33, 212) et un élément de transmission (18, 30), caractérisé en ce que l'entraînement avec l'organe de réglage (12, 33, 212) et l'élément de transmission (18, 30) provoque un mouvement de levage du dispositif de transfert (6, 206) par rapport au support de charge (3, 203) et déclenche une ouverture et une fermeture contrôlées de l'ouverture d'alimentation (14), le mouvement de l'élément de fermeture (13, 213) étant couplé au mouvement de levage, et l'organe de réglage (12, 33, 212) étant conçu pour le positionnement du dispositif de transfert (6, 206) et/ou du support de charge (3, 203) en plusieurs positions définies, ces positions comprenant une position zéro dans laquelle un tarage sur zéro de la balance électronique peut être exécuté avec l'ouverture d'alimentation (14) fermée, pendant que l'article à peser (5) repose complètement sur le second logement (7), le premier et le second logement (4, 104, 204, 7, 107, 207) pouvant s'engager sans contact les uns dans les autres ou à travers les autres lors du déplacement du support de charge (3, 203) par rapport au dispositif de transfert (6, 206), de sorte que l'article à peser (5, 105) est transféré d'un logement à l'autre logement (4, 104, 204, 7, 107, 207).
  2. Balance électronique selon la revendication 1, caractérisée en ce que l'élément de transmission (18, 30) est fixé sur le dispositif de transfert (6, 206).
  3. Balance électronique selon la revendication 1, caractérisée en ce que l'élément de réglage (12, 212) est conçu sous forme de disque-came.
  4. Balance électronique selon la revendication 1, caractérisée en ce que l'élément de réglage (33) est conçu sous forme de coulisseau.
  5. Balance électronique selon l'une quelconque des revendications 1 à 4, caractérisée en ce que l'élément de réglage (12, 33, 212) comprenant un guide (17, 29, 34) pour l'élément de transmission (18, 30).
  6. Balance électronique selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'espace de pesée (15, 115) comprenant une forme sensiblement triangulaire, rectangulaire, carrée, ronde ou ovale.
  7. Balance électronique selon l'une quelconque des revendications 1 à 6, caractérisée en ce que l'élément de fermeture (13, 213, 313, 413) est monté de façon à pouvoir tourner autour d'un axe ou d'un point de rotation ou se déplacer par glissement.
  8. Balance électronique selon l'une quelconque des revendications 1 à 7, caractérisée en ce que la balance électronique est équipée pour peser des articles à peser de l'ordre du microgramme et/ou du sous-microgramme.
  9. Procédé pour alimenter une balance électronique avec un paravent (16), qui entoure un espace de pesée (15, 115) adapté à un article à peser et comprenant au moins une ouverture d'alimentation (14) pouvant être fermée avec un élément de fermeture (13, 213), avec un entraînement, qui actionne l'élément de fermeture (13, 213) et comprenant également un organe de réglage (12, 33, 212), et un dispositif de transfert (6, 206), qui coopère aussi bien avec un support de charge (3, 203) que par un élément de transmission (18, 30) avec l'élément de réglage (12, 33, 212), le procédé comprenant les étapes suivantes :
    a. Ouverture de l'orifice d'alimentation (14) par actionnement de l'élément de fermeture (13, 213) et réglage simultané d'une première position entre le support de charge (3, 203) et le dispositif de transfert (6, 206) par un déplacement relatif des mêmes éléments, qui est déclenché au moyen de l'entraînement ;
    b. Mise en place d'un article à peser (5, 105) sur le dispositif de transfert (6, 206) ;
    c. Fermeture de l'orifice d'alimentation (14) et réglage simultané d'une seconde position entre le support de charge (3, 203) et le dispositif de transfert (6, 206) par déplacement relatif des mêmes éléments ;
    d. Mise en oeuvre d'un tarage sur zéro de la balance ;
    e. Transfert de l'article à peser (5, 105) du logement (7, 207) du dispositif de transfert (6, 206) au logement (4, 104) du support de charge (3, 203) du fait que le support de charge (3, 203) et le dispositif de transfert (6, 206) sont déplacés l'un par rapport à l'autre dans une troisième position ;
    f. Pesée de l'article à peser (5, 105) ;
    g. Transfert de l'article à peser (5, 105) du support de charge (3, 203) au dispositif de transfert (6, 206) du fait que le dispositif de transfert (6, 206) et le support de charge (3, 203) sont déplacés l'un par rapport à l'autre dans la seconde position ;
    h. Ouverture de l'orifice d'alimentation (14) et réglage simultané d'une première position entre le support de charge (3, 203) et le dispositif de transfert (6, 206) par un déplacement relatif des mêmes éléments ;
    i. Enlèvement de l'article à peser (5, 105) du dispositif de transfert (6, 206) ;
    l'actionnement de l'élément de fermeture (13, 213) et le réglage de la au moins une première, une seconde et une troisième positions entre le support de charge (3, 203) et le dispositif de transfert (6, 206) s'effectuant par une action conjuguée de l'entraînement, de l'organe de réglage (12, 33, 212) et de l'élément de transmission (18, 30).
  10. Procédé selon la revendication 9, caractérisé en ce que les étapes d à g sont répétées jusqu'à atteindre un nombre prédéfini de pesées de répétition.
  11. Procédé selon l'une quelconque des revendications 9 ou 10, caractérisé en ce que, avant et/ou après le tarage sur zéro de la balance, le bon fonctionnement de la balance est contrôlé et/ou les paramètres de pesée sont contrôlés et/ou réglés.
  12. Procédé selon l'une quelconque des revendications 9 à 11, caractérisé en ce que la mise en place et/ou l'enlèvement de l'article à peser (5, 105) par le dispositif de transfert (6, 206) s'effectue(nt) de façon automatisée.
EP06122083.6A 2006-10-11 2006-10-11 Balance électronique Active EP1912047B2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE502006009215T DE502006009215D1 (de) 2006-10-11 2006-10-11 Elektronische Waage
EP06122083.6A EP1912047B2 (fr) 2006-10-11 2006-10-11 Balance électronique
AT06122083T ATE503984T1 (de) 2006-10-11 2006-10-11 Elektronische waage
US11/907,051 US7560651B2 (en) 2006-10-11 2007-10-09 Electronic balance
CN2007101801401A CN101162168B (zh) 2006-10-11 2007-10-10 电子秤
JP2007265060A JP5308003B2 (ja) 2006-10-11 2007-10-11 電子秤

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06122083.6A EP1912047B2 (fr) 2006-10-11 2006-10-11 Balance électronique

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EP1912047A1 EP1912047A1 (fr) 2008-04-16
EP1912047B1 true EP1912047B1 (fr) 2011-03-30
EP1912047B2 EP1912047B2 (fr) 2019-09-25

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CN (1) CN101162168B (fr)
AT (1) ATE503984T1 (fr)
DE (1) DE502006009215D1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102007017103A1 (de) * 2007-04-10 2008-10-16 Mettler-Toledo Ag Elektronische Waage
EP3086111A1 (fr) * 2007-06-15 2016-10-26 Abbott Cardiovascular Systems Inc. Système et procédé d'imagerie de défauts de revêtement d'endoprothèses
EP2924401B1 (fr) * 2014-03-28 2016-12-28 Mettler-Toledo GmbH Dispositif d'ouverture de porte robotisée d'un boîtier de protection contre les courants d'air d'une balance analytique
CN106352970A (zh) * 2016-08-15 2017-01-25 成都弥荣科技发展有限公司 一种汽车轴重检验台落地式数显仪表改进装置
CN108154321A (zh) * 2016-12-02 2018-06-12 菜鸟智能物流控股有限公司 包裹入库方法及相关设备、物品称重方法及相关设备
CN107036700A (zh) * 2017-05-25 2017-08-11 京华建设科技有限公司 一种方便更换初效过滤器的称量罩
CN108007547A (zh) * 2018-01-17 2018-05-08 蚌埠市龙子湖区金力传感器厂 一种带有防尘除灰功能的称重设备
CN108398173A (zh) * 2018-01-17 2018-08-14 蚌埠市龙子湖区金力传感器厂 一种粉料称重装置
PL3705858T3 (pl) * 2019-03-07 2022-01-31 Mettler-Toledo Gmbh Waga wyposażona w zespół mocujący do przenoszenia wymiennych elementów wyposażenia

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DE3601408C1 (de) * 1986-01-18 1987-03-12 Sartorius Gmbh Oberschalige Analysenwaage mit Waegekammerschleuse
CH694475A5 (de) * 1999-07-08 2005-01-31 Mettler Toledo Gmbh Verfahren zum Betrieb einer Waage und Vorrichtung zur Durchführung des Verfahrens.
US6557391B2 (en) * 2000-10-04 2003-05-06 Mettler-Toledo Gmbh Balance with a weighing-load carrier and a calibration device
CN2546863Y (zh) * 2002-06-14 2003-04-23 武汉艾立卡电子有限公司 电子秤

Also Published As

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DE502006009215D1 (de) 2011-05-12
EP1912047B2 (fr) 2019-09-25
EP1912047A1 (fr) 2008-04-16
ATE503984T1 (de) 2011-04-15
CN101162168B (zh) 2012-11-28
CN101162168A (zh) 2008-04-16

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